The stability was affected by kinds and dose of emulsifier, volumefraction of water phase, temperature and velocity of stir.
研究了乳化剂种类和用量、水相体积分数、温度、搅拌速率等因素对超浓反相乳液聚合的影响。
2
The rare earth lanthanum oxide doped molybdenum alloys containing different volumefraction lanthanum oxide particles were prepared by powder metallurgical processing.
使用粉末冶金工艺制备了不同体积分数稀土氧化镧颗粒掺杂的钼合金。
3
The regurgitant volume (RV) and regurgitant fraction (RF) calculated by two dimensional pulsed Doppler (2D-PD) method were served as reference values.